1 /*
2  * Copyright (c) 2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef RENDER_RENDER__RENDER_NODE_MANAGER_H
17 #define RENDER_RENDER__RENDER_NODE_MANAGER_H
18 
19 #include <base/containers/string.h>
20 #include <base/containers/unique_ptr.h>
21 #include <base/containers/unordered_map.h>
22 #include <core/namespace.h>
23 #include <render/intf_plugin.h>
24 #include <render/namespace.h>
25 
26 CORE_BEGIN_NAMESPACE()
27 class IInterfaceRegister;
28 CORE_END_NAMESPACE()
29 RENDER_BEGIN_NAMESPACE()
30 class IRenderNode;
31 
32 /**
33  */
34 class RenderNodeManager final {
35 public:
36     RenderNodeManager() = default;
37     ~RenderNodeManager() = default;
38 
39     RenderNodeManager(const RenderNodeManager&) = delete;
40     RenderNodeManager& operator=(const RenderNodeManager&) = delete;
41 
42     IRenderNode* Create(char const* nodeType);
43     void Destroy(char const* nodeType, IRenderNode* aInstance);
44 
45     BASE_NS::unique_ptr<IRenderNode, RENDER_NS::RenderNodeTypeInfo::DestroyRenderNodeFn> CreateRenderNode(
46         char const* nodeType);
47 
48     struct RenderNodeTypeInfoFlags {
49         RENDER_NS::RenderNodeTypeInfo::PluginRenderNodeBackendFlags backendFlags { 0 };
50         RENDER_NS::RenderNodeTypeInfo::PluginRenderNodeClassType classType { 0 };
51     };
52     RenderNodeTypeInfoFlags GetRenderNodeTypeInfoFlags(char const* nodeType);
53 
54     void AddRenderNodeFactory(const RenderNodeTypeInfo& typeInfo);
55     void RemoveRenderNodeFactory(const RenderNodeTypeInfo& typeInfo);
56 
57 private:
58     BASE_NS::unordered_map<BASE_NS::string, RENDER_NS::RenderNodeTypeInfo> factories_;
59 };
60 RENDER_END_NAMESPACE()
61 
62 #endif // CORE__RENDER__RENDER_NODE_MANAGER_H
63